<template>
  <span :class="`${prefixCls}__extra-fold`" @click="handleFold">
    <Icon :icon="getIcon" />
  </span>
</template>
<script lang="ts" setup>
  import { unref, computed } from 'vue'
  import Icon from '@/components/Icon/Icon.vue'

  import { useDesign } from '@/hooks/web/useDesign'
  import { useHeaderSetting } from '@/hooks/setting/useHeaderSetting'
  import { useMenuSetting } from '@/hooks/setting/useMenuSetting'
  import { triggerWindowResize } from '@/utils/event'

  defineOptions({ name: 'FoldButton' })

  const { prefixCls } = useDesign('multiple-tabs-content')
  const { getShowMenu, setMenuSetting } = useMenuSetting()
  const { getShowHeader, setHeaderSetting } = useHeaderSetting()

  const getIsUnFold = computed(() => !unref(getShowMenu) && !unref(getShowHeader))

  const getIcon = computed(() =>
    unref(getIsUnFold) ? 'codicon:screen-normal' : 'codicon:screen-full',
  )

  function handleFold() {
    const isUnFold = unref(getIsUnFold)
    setMenuSetting({
      show: isUnFold,
      hidden: !isUnFold,
    })
    setHeaderSetting({ show: isUnFold })
    triggerWindowResize()
  }
</script>
